Technical memorandum (United States. Tidal Model Laboratory). Berkeley, Calif. : U.S. Tidal Model Laboratory, 1934-1936. 23 v
Design of a model of the estuary of the Columbia River 1934
O'Brien, M. P., and Bruce D. Rindlaub. Partial report on comparative tests of transportation of Newport Bay and Sacramento River sands in pipelines 1934
O'Brien, M. P., and Bruce D. Rindlaub. Final report on comparative tests of transportation of Newport Bay and Sacramento River sands in pipelines 1935
O'Brien, M. P., and Bruce D. Rindlaub. Final report on transportation of sand in pipe lines 1935
O'Brien, M. P. Mouth of Columbia River beach erosion investigations : report on experiments, July 1933-May 1935 1935
O'Brien, M. P. Model study of currents in Baker Bay and at mouth of Columbia River, Oregon, Washington. Berkeley, Calif. : U.S. Tidal Model Laboratory, 1935. (Technical memorandum ; no. 10). 2 v. Contents: Part I. without special title -- Part II. Photographs and graphs
O'Brien, M. P. Mouth of Columbia River beach erosion investigations. Experiment 13a: Laboratory study of transportation of Columbia River bed materials 1936
O'Brien, M. P. Model study of currents in vicinity of Astoria, Columbia River, Oregon, Washington. Berkeley, Calif. : U.S. Tidal Model Laboratory, 1936. (Technical memorandum ; no. 12). 2 v. Contents: Part I. without special title -- Part II. Photographs
O'Brien, M. P. Model study of currents in the estuary of the Columbia River (photographic measurements) 1936
O'Brien, M. P. Mouth of Columbia River beach erosion investigations : summary of observations and results, July 1933 - August 1936 1936
O'Brien, M. P. Final report on field and laboratory studies of the navigation channels in the estuary of the Columbia River 1936
United States. Army. Corps of Engineers. Portland District. Office of the District Engineer. Mouth of Columbia River current survey, 1932-1933. Portland, Or. : War Dept., Office of the District Engineer, 1934?. 2 v. : maps
United States. Army. Engineer Dept. List of surveys: Columbia River Puget Island to Mouth. Record cards. 1 folder (41 pieces)
Sand areas and sand analysis curves of Columbia River : composite sand, Mouth of Columbia River. 1932. 1 folder (20 pieces). Includes graphs and handwritten notes
Proposed bed-load channel studies at Portland : correspondence and proposal. 1936. 1 folder (5 pieces)
Salinity and current measurements, mouth of Mississippi River. 1925?. 1 v. (8 folded charts + 1 p. of notes)
U.S. Tidal Model Laboratory. Project no. 4, "Newport Bay and Sacramento Sand Transportation Tests". 1934. 1 v., bound
Preliminary report, Comparative tests of Sacramento and Newport Bay sands. 1934. 1 folder (6 pieces)
Correspondence related to South Pacific division projects and the U.S. Tidal Model Laboratory, University of California, Berkeley. 1934-1935. 1 folder (54 pieces)
Hyde, Charles Gilman. Rapid sand filter design : correspondence, design plan. 1932-1933. 1 folder (2 pieces)
U.S. Tidal Model Laboratory. Sand test blueprints to accompany Technical Memorandum 5. Friction coefficient of dredge drag heads. 1934-1935. 1 folder (40 pieces). Includes 5 mounted photographs
Photographs for sand test. 1934. 3 photographs + 3 negatives
United States. Army. Corps of Engineers, and U.S. Tidal Model Laboratory Program for continuation of certain experiments : Mouth of the Columbia River Beach Erosion Investigations. 1935-1936. 1 folder (6 pieces). Includes correspondence
Beach erosion computation procedure, correspondence, and general notes. 1934-1935. 1 folder (11 pieces)
Photographs for beach erosion report, June 1935. 1 folder (15 mounted photographs + index)
Beach erosion investigations. Programs. 1933-1935. 1 folder (12 pieces). Partial contents: Partial program for investigations of beach erosion and sand movement at mouth of Columbia River, September 1933 -- Tentative program for beach erosion and model study, Columbia River / M. P. O'Brien and Bruce D. Rindlaub, October 1933 -- Mouth of Columbia River beach erosion investigations, June 12, 1934 : supplement to instructions dated April 16, 1934. Includes correspondence, comments, etc.
Report on mouth of the Columbia River experiments : sand trap experiment, June 19-22, 1934; wind and beach sand movement; storm interrupted observations. 1934. 1 folder (2 pieces)
O'Brien, M. P. Progress report on investigation of beach erosion and sand movement at mouth of Columbia River 1934
Tide curves, Columbia River Estuary. 1934. 1 folder (2 graphs)
Brubaker Aerial Surveys (Portland, Or.). Aerial photographs of the mouth of the Columbia River, June 10, 1935. 6 photographs. Includes Cape Disappointment, Sand Island, and Baker Bay
O'Brien, M. P. Mouth of Columbia River beach erosion investigations : notes on preparation of report of June 15, 1935 (Technical memorandum no. 7). 1934-1935. 1 notebook, bound
Beach erosion photographs and model study photographs showing wave action. 1933. 2 folders approximately 130 mounted photographs + holograph notes)
U.S. Tidal Model Laboratory. Photographs of Columbia River Estuary model. 1934. 1 folder (9 mounted photographs)
Leupold-Volpel Co. Stevens Recorder for tide model. 1934. 1 folder (10 pieces). Includes correspondence, specifications, illustrations, blueprint, and notes
United States. War Dept. Office of the Division Engineer. North Pacific Division. Orders and instructions. 1934-1936. 1 folder (13 pieces). Chiefly correspondence from the Division Engineer to M. P. O'Brien. 27 Velocity tabulations, Columbia River Estuary. 1933. 1 folder (4 pieces)
Notebooks. 7 v., bound. Contents: 1. Columbia Estuary model / M.P. O'Brien -- 2. Model basin / M.P. O'Brien -- 3. Santa Barbara tides basin, mouth of Columbia to May 1934 -- 4. Model basin / Bruce D. Rindlaub (includes Columbia River cross sections between Puget Island and Portland, graphs, calculations) -- 5. Mouth of Columbia -- 6. Manuscript of report on design of Columbia Estuary Model, 1934 / M.P. O'Brien -- 7. Miscellaneous designs / John A. Jameson, Jr.
Columbia Estuary Model, currents at Astoria program : report, rough draft, notes. 1936. 1 folder (5 pieces)
River flow : discharges for Columbia River and Willamette River : notes, graphs, charts. 1934- 1935. 1 folder (10 pieces)
Current and tide survey, mouth of Columbia River, April 5 to June 25. 1 folder (3 charts)
Beach erosion data. 1935. 2 v., bound. Contents: 1. Computations begun March 1, 1935 2. Current analysis, Harrington Point, computations begun May 27, 1935
File of materials related to the salinity survey of the Delaware River, October 1935. 1935-1936. 1 folder (27 pieces). Includes notes, correspondence, graphs
Salinity studies. 1936. 1 notebook, bound
Tide gages, Fort Stevens, Oregon, August 17 to November 17, 1933. 1933. 1 folder (5 graphs)
Gage readings, May 28, 1929 : Astoria, Ft. Stevens, and Clatsop Spit. 1929. 1 folder (4 pieces)
Tidal differences between the ends of the jetty and Astoria (Tongue Point) Oregon. 1935. 1 folder (3 pieces)
Beach erosion report : co-tidal lines : mouth of Columbia River
Delaware River salinity survey. 1935. 3 folders. Contents: Part I. Final report to the Sanitary Water Board by the Bureau of Engineering on the salinity survey of the Delaware River; Final report of the Engineer in Charge of the Delaware River salinity survey -- Part II. Supplements to the final report of the Engineer in Charge of the Delaware River salinity survey - - Part III. Figures and notes (includes correspondence, blueprints, etc.)
United States. Engineer Office. Portland District. Columbia River, Harrington Point current studies 1934
Data for mouth of Columbia River (preliminary figures). 1932-1934. 1 folder (4 pieces)
Columbia River data sheets : charts, graphs, etc. 1 folder (13 pieces)
Report on the construction and operation of model of Columbia River Estuary to April 1, 1935
U.S. Tidal Model Laboratory. Report on operations : July 1 to August 31, 1935 1935
U.S. Tidal Model Laboratory. Monthly report on operations : October 1935; November 1935; January 1936 (2 pts. in 3 v.); February 1936; May 1936. 7 folders
U.S. Tidal Model Laboratory. Report on the operation of a model of the Columbia River Estuary, April 1 to July 1, 1935 : quarterly report
U.S. Tidal Model Laboratory. Quarterly report on operations and results : July 1 to September 30, 1935; October 1 to December 31, 1935; January 1 to March 31, 1936; April 1 to June 30, 1936. 4 folders
Photographs of the Columbia Estuary model : currents at Astoria 1936
Mouth of the Columbia River (MCR) beach erosion. Experiment 2, Scour and fill
Sharpley, B. F. Mouth of the Columbia River (MCR) beach erosion. Experiment 2, Series of cross sections along beach. 1 folder (26 pieces)
Sharpley, B. F. Mouth of the Columbia River (MCR) beach erosion. Experiment 2-a, Contours of scour and fill : Clatsop Beach. 1934. 1 folder (79 pieces)
Sharpley, B.F. Mouth of the Columbia River (MCR) beach erosion. Experiment 2-a, Clatsop Beach erosion. 1931-1934. 1 folder (17 blueprints)
Sharpley, B. F. Mouth of the Columbia River (MCR) beach erosion. Experiment 2-b, Computer data. 1 folder (14 pieces)
Mouth of the Columbia River (MCR) beach erosion. Experiment 3-a, Tabulation of inshore current measurements. 1933-1935. 1 folder (67 pieces)
Mouth of the Columbia River (MCR) beach erosion. Experiment 3-a, Inshore currents. 1934. 1 folder (35 pieces)
Mouth of the Columbia River (MCR) beach erosion. Experiment 3-b, Current segregations; float observations. 1925-1933. 1 folder (26 pieces)
Mouth of the Columbia River (MCR) beach erosion. Experiment 3-b, Wind computation data- wind currents; float observations, predominant wind. 1918-1934. 1 folder (27 pieces)
Mouth of the Columbia River (MCR) beach erosion. Experiment 3-b, Float data south of South Jetty, March 7-13, 1934
Mouth of the Columbia River (MCR) beach erosion. Experiment 3-b, Duplicate float data. 1933. 1 folder (15 pieces + 1 mounted photograph)
Mouth of the Columbia River (MCR) beach erosion. Experiment 3-b, Time corrections. 1934. 1 folder (9 pieces). Includes correspondence, currents and additional data from R. E. Hickson, U.S. Engineer Office, Portland
Mouth of the Columbia River (MCR) beach erosion. Experiment 3-b, Float observations; basis of segregation of float data at MCR 1935
Mouth of the Columbia River (MCR) beach erosion. Experiment 3-b, Photographs of North Jetty and South Jetty, Sand Island. 1933. 1 folder (48 mounted photographs). Some photos by Brubaker Aerial Surveys, Portland
Mouth of the Columbia River (MCR) beach erosion. Experiment 3-b,Float data. 1925-1932. 1 folder (40 pieces)
Mouth of the Columbia River (MCR) beach erosion. Experiment 3-b, Float data. 1932. 1 folder (11pieces)
Mouth of the Columbia River (MCR) beach erosion. Experiment 3-b, Current survey notes 1934 July
Mouth of the Columbia River (MCR) beach erosion. Experiment 3-b, Non-tidal currents at Light Vessel. 1 folder (3 pieces)
Yaquina Bay current survey : worksheets. 1 folder (12 pieces)
Yaquina Bay current survey data. August 1934. 1 folder (8 pieces). Includes correspondence
Float data : Columbia River at Harrington Point. June 1921; November 1933. 1 folder (17 pieces)
Harrington Pt. Yaquina Bay, mouth of Columbia River beach erosion current analysis : tabulated data : "Book no. 7". 1 notebook, bound
Mouth of the Columbia River (MCR) beach erosion. Experiment 5, Transportation of beach material. 1933-1934. 1 folder (5 pieces)
Mouth of the Columbia River (MCR) beach erosion. Experiment 7, Wind driven sand (south beach). 1933-1935. 1 folder (6 pieces). Includes charts, graphs, blueprints, correspondence, etc.
Mouth of the Columbia River (MCR) beach erosion : progress report on Experiment 7, movement of sand by wind 1934 June 27
Mouth of the Columbia River (MCR) beach erosion : weather observations, 8/23/33 to 10/16/34 : Hawkins' weather observations 1935
O'Brien, M. P. Mouth of the Columbia River (MCR) beach erosion : wind drift. 1934. 1 folder (16 pieces). Includes wind gradient, general data, critical wind velocity to move sand
Mouth of the Columbia River (MCR) beach erosion : wind drift. 1933-1934. 1 folder (53 pieces)
Mouth of the Columbia River (MCR) beach erosion : tracings and negatives. 1934. 1 folder (21 pieces)
O'Brien, M. P. Mouth of the Columbia River beach erosion investigations : progress report on Experiment 7, movement of sand by wind 1934 June 27
Wind and tractive force computations : notebook for beach erosion technical memorandum no. 7, wind drift. 1933-1935. 1 notebook, bound + 1 photograph
Mouth of the Columbia River (MCR) beach erosion. Experiment 8, Wind : charts of relationship between wind records at North Head and Columbia River Lightship. 1935. 1 folder (20 pieces)
Mouth of the Columbia River (MCR) beach erosion. Experiment 8, Wind : wind summaries, North Head, Washington. 1934. 1 folder (4 pieces)
Mouth of the Columbia River (MCR) beach erosion. Experiment 8, Wind : comparison of wind at North Head, Clatsop Beach, and Light Vessel #88 1933-1934
Wave and wind analysis computation (observed at Columbia River Lightship). 1933-1936. 1 notebook, bound
Mouth of the Columbia River (MCR) beach erosion. Experiment 9, Offshore currents during freshets : silt-laden water (computer's report). 1933-1935. 1 folder (18 pieces)
Mouth of the Columbia River (MCR) beach erosion. Experiment 12, Aerial survey data (computer's report). 1933-1935. 1 folder (6 pieces)
Mouth of the Columbia River (MCR) beach erosion. Experiment 13, Bed-load of Columbia River. 1934-1935. 1 folder (10 pieces)
Mouth of the Columbia River (MCR) beach erosion. Experiment 13, Bed-load of Columbia River : bed-load data, June 21-22, 1934. 1 folder (17 pieces). Includes correspondence, blueprints, graphs
O'Brien, M. P., and Bruce D. Rindlaub. Mouth of the Columbia River (MCR) beach erosion. Experiment 13, Bed-load of Columbia River. Appendix II. The transportation of bed-load by streams 1934
Mouth of the Columbia River (MCR) beach erosion. Experiment 13, Bed-load of Columbia River : program for bed-load tests for First Portland District. 1935-1936. 1 folder (11 pieces). Includes correspondence
U.S. Tidal Model Laboratory. Project no. 4 : comparative tests on transportation of Newport Bay and Sacramento River sands in pipelines. 1934. 1 v., bound
U.S. Tidal Model Laboratory. Project no. 5 : transportation of sands in pipelines. 1935. 1 v., bound
Photographs of the Columbia River Estuary model. 2 negatives